Home / 260,153.62-390,221.52-110,297.41

Finding the Fourth Proportional to 260,153.62, 390,221.52 and 110,297.41

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Solution

The fourth proportional to 260,153.62, 390,221.52 and 110,297.41 is: 165,442.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,153.62 : 390,221.52 = 110,297.41 : x
  2. Step 2: Convert to fraction form
    260,153.62/390,221.52 = 110,297.41/x
  3. Step 3: Cross multiply
    260,153.62x = 390,221.52 × 110,297.41
  4. Step 4: Simplify right side
    260,153.62x = 43,040,422,982.26
  5. Step 5: Solve for x
    x = 43,040,422,982.26/260,153.62
  6. Step 6: Final answer
    x = 165,442.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.